Hikari Tropical Vibra Bites Hikari Vibra Bites is a unique food designed to mimic the shape and movement of live red mosquito larvae. The slowly sinking food moves through the current in the water, just like live food would. This triggers a feeding response in most fish, who love this type of food. Hikari Vibra Bites provides exceptionally brilliant and vibrant colors. Due to the scientific and particularly nutritious composition, the growth and color improvement of the fish are visible within one month. Vibra Bites XL is the larger version of the normal Vibra Bites with the same unique properties, especially for larger fish such as Carnivore cichlids.